This is a letter from H.S.Northey executive Engineer Madura division to the Director of Kodaikanal and Madras Observatories regarding the repairs to the observatory buildings in Kodaikanal. It contains estimates amounting to Rs.330 for special repairs to the observatory at kodaikanal with 2 domes, Rs.320 for repairs at Magnetic observatory in Kodai, Rs.110 for repairs to the Anemometer tower in Kodai, Rs.115 for special repairs at the sliding roof building both old and new in Kodaikanal and Rs.64 for photoheliograph buildings with dome at Kodaikanal

This is a letter from H. L. Nicholson executive Engineer Madura to The Director of Kodaikanal Observatory on municipal water and drainage tax on Kodaikanal Observatory building. It states that Rs.120 per annum assessed on the observatory building is less than the assessed amount in the usual percentage on the capital cost of the buildings and it also addresses the issue of separating the part inside from the part outside the municipality.

This is a Letter from H. L. Nicholson executive Engineer Madura to The Director of Kodaikanal Observatory on municipal water and drainage tax on Kodaikanal Observatory building. It is a reply stating that no documents are available stating how a single assessment was fixed on all observatory buildings at Kodaikanal. It also states that in reference to the executive engineer madura division there is no documentation or certification about the above stated issue for the past 7 years.

This letter is from N.H.Nicholson executive engineer of Madura to the Director of Kodaikanal and Madras Observatories regarding the execution of work in Kodaikanal Observatory Building. It states that any new construction will be observed by Nicholson and these constructions should only be done with the knowledge of the department after the proposals were properly considered.

This letter was about the work of repairs to the Spectro Heliograph building, Kodaikanal.

The letter is from H. B. Peirce, General Superintendent, Public Works Department, to The Executive Engineer, Madura, explaining the arrangement suggested by Mr. Evershed for moving the sliding roof at Kodai. He said the shaft would pass through the room close up to the wall behind the mirror of the spectroheliograph apparatus, but he also said that he was not satisfied that the arrangement would work well unless a handle and winch were fixed at each end of the shaft.

The letter is from H. B. Peirce, General Superintendent, Public Works Department, to The Executive Engineer, Madura Division, stating the willingness of The Director of Kodaikanal Observatory to have a handle of winch inside; the complicated arrangements proposed formally may be altogether dispensed with, and a cog wheel gearing direct with a pinion may be introduced instead.

The letter is from H. B. Peirce, General Superintendent, Public Works Workshops, to the Executive Engineer, Madura Division, informing about the modification asked by Charles Michie Smith for the sliding roof under condition and the extra cost of Rs.120 is to be approved by the Executive Engineer.

The letter is from H. B. Peirce, General Superintendent, Public Works Workshops, to the Executive Engineer, Madura, enclosing two methods proposed for moving the sliding roof at Kodaikanal Observatory, requesting to suggest which to use.

The letter is from H. B. Peirce, General Superintendent, Public Works Department, to The Executive Engineer, Madura Division, forwarding an estimate of Rs. 365 for fitting up rack bar gear to the sliding roof at Kodaikanal Observatory with two winches in the interior.